A Unified Level Set Framework Combining Hybrid Algorithms for Liver and Liver Tumor Segmentation in CT Images

Figure 4

Four basic cases of seed settings and corresponding initial segmentation results: (a) a liver having an indiscrete region; (b) a liver having two discrete regions; (c) a liver having an inside vessel; (d) a liver having an inside liver tumor.

(a)

(b)

(c)

(d)